At this age, the bones are usually fully developed.
You need further assessment to understand the severity of deformity.
We need to know if there is any bony angulation as well.
Next Steps
If the deformity is significant, you may require to undergo surgical correction.
You will need X ray Scanogram of both lower limbs AP view to know the deformity. Pls get it done.
Health Tips
You can start Quadriceps and Hamstrings strengthening exercises for now.